CN109395542A - The absorption tower CFB and its ash exhauster - Google Patents
The absorption tower CFB and its ash exhauster Download PDFInfo
- Publication number
- CN109395542A CN109395542A CN201811562021.7A CN201811562021A CN109395542A CN 109395542 A CN109395542 A CN 109395542A CN 201811562021 A CN201811562021 A CN 201811562021A CN 109395542 A CN109395542 A CN 109395542A
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- Prior art keywords
- ash
- dust
- collecting box
- tower bottom
- mouth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gasification And Melting Of Waste (AREA)
- Chimneys And Flues (AREA)
Abstract
本发明提供了一种CFB吸收塔及其排灰装置，排灰装置用于设置在CFB吸收塔的塔底烟道下方，包括：排灰组件，所述排灰组件的一端为用于与所述塔底烟道(8)的底部连通的进灰口，所述排灰组件的另一端为出灰口；循环组件，所述循环组件的一端为用于与所述塔底烟道(8)的非底部连通的回灰口，所述循环组件的另一端为吸灰口；集灰箱(3)，所述集灰箱(3)与所述出灰口及所述吸灰口连通。本发明提供的排灰装置，有效避免为积灰直接排到地面上而造成扬尘的不良环境影响，避免人工清理地面上的积灰，降低人工劳动强度；利用塔底烟道内的负压吸力将积灰吸入塔底烟道，随烟气流走，实现无污染的积灰循环利用，有效解决了环保问题。
The invention provides a CFB absorption tower and its ash discharge device. The ash discharge device is used to be arranged below the tower bottom flue of the CFB absorption tower, and includes: an ash discharge component, one end of the ash discharge component is used for connecting with the ash discharge component. The ash inlet communicated with the bottom of the tower bottom flue (8), the other end of the ash discharge component is the ash outlet; the circulation component, one end of the circulation component is used for connecting with the tower bottom flue (8). ), and the other end of the circulation assembly is an ash suction port; the ash collecting box (3) is in communication with the ash outlet and the ash suction port. . The ash discharge device provided by the invention can effectively avoid the adverse environmental impact of fugitive dust caused by directly discharging the ash on the ground, avoid manual cleaning of the ash on the ground, and reduce the labor intensity; The ash is sucked into the flue at the bottom of the tower, and goes away with the flue gas flow, realizing the recycling of the ash without pollution, and effectively solving the environmental protection problem.
Description
Technical field
The present invention relates to absorption tower equipment technical field, in particular to a kind of absorption tower CFB and its ash exhauster.
Background technique
Currently, CFB (Circulating Fluidized Bed, circulating fluidized bed boiler) common ash discharge in absorption tower bottom
There are mainly two types of forms；The first is that tower bottom discharges grey hole from, is exhausted directly on floor；Then artificial remove is transported again.This row
Grey form is direct, simply；But it is easy fugitive dust, and manually time-consuming for needs.It is for second that tower bottom with ash ejector drains into ground, it is this
It is possible that form equally exists fugitive dust, and needs manual cleaning.
Therefore, because the ash discharge form on the absorption tower CFB, requires to arrange dust stratification on the ground, and manual cleaning.This is just
Causing the undesirable environment such as fugitive dust influences, and dust stratification needs manual cleaning and transports, and can not recycle, environmental issue can not
It solves；Inconvenient dust stratification transports, and labor intensity is big.
Therefore, environmental issue how is solved, poor environment influence and labor intensity is reduced, is those skilled in the art
Urgent problem to be solved.
Summary of the invention
In view of this, to solve environmental issue, reducing poor environment influence and people the present invention provides a kind of ash exhauster
Work labor intensity.The present invention also provides a kind of absorption towers CFB with above-mentioned ash exhauster.
To achieve the above object, the invention provides the following technical scheme:
A kind of ash exhauster, for being arranged in below the tower bottom flue on the absorption tower CFB, comprising:
Ash discharge component, one end of the ash discharge component are the ash inlet for being connected to the bottom of the tower bottom flue, institute
The other end for stating ash discharge component is ash hole；
Recirculation assembly, one end of the recirculation assembly are to return grey mouth for what is be connected to the non-bottom of the tower bottom flue,
The other end of the recirculation assembly is dust-absorbing mouth；
Dust collecting box, the dust collecting box are connected to the ash hole and the dust-absorbing mouth.
Preferably, in above-mentioned ash exhauster, the ash discharge component includes ash ejector and ash releasing tube；
The import of the ash ejector be the ash inlet, the outlet of one end of the ash releasing tube and the ash ejector,
The other end of the ash releasing tube is the ash hole.
Preferably, in above-mentioned ash exhauster, there is inclined surface in the dust collecting box；
The ash hole is located at the high-end of the inclined surface, and the dust-absorbing mouth is located at the low side of the inclined surface.
Preferably, in above-mentioned ash exhauster, the recirculation assembly includes:
Circulating line, one end of the circulating line are the dust-absorbing mouth, and the other end of the circulating line is described returns
Grey mouth；
It is set on the circulating line, the deashing valve unlatched and closed for controlling the circulating line.
Preferably, in above-mentioned ash exhauster, the circulating line includes oviduct and connecting tube；
The big end of the oviduct is the dust-absorbing mouth, and the small end of the oviduct is connect with the connecting tube, the company
Taking over one end far from the oviduct is described time grey mouth.
Preferably, in above-mentioned ash exhauster, the connecting tube is hose.
Preferably, in above-mentioned ash exhauster, the oviduct is connected with the dust collecting box by flange.
It preferably, further include the quick coupling for the non-bottom of the tower bottom flue to be arranged in above-mentioned ash exhauster；
Described time of the circulating line grey mouth is connect with the quick coupling, the quick coupling not with the circulation
At can be with seal nipple when pipeline connection.
Preferably, in above-mentioned ash exhauster, the dust collecting box have dust stratification corresponding with ash hole region and with institute
State that dust-absorbing mouth is corresponding to suck back region；
The dust stratification region and described suck back have certain distance between region.
The present invention also provides a kind of absorption towers CFB, including tower bottom flue, further include ash discharge as described in any one of the above embodiments
Device.
It can be seen from the above technical scheme that ash exhauster provided by the invention, the ash inlet of ash discharge component be used for
The bottom of tower bottom flue is connected to, in order to guide the dust stratification of tower bottom flue into ash discharge component, and by the ash discharge of ash discharge component
Mouth is discharged into dust collecting box；Recirculation assembly is connected to non-bottom and the dust collecting box of tower bottom flue, by the suction function in tower bottom flue,
So that the dust stratification in dust collecting box enters recirculation assembly by the dust-absorbing mouth of recirculation assembly, and tower is entered by the grey mouth that returns of recirculation assembly
The non-bottom of bottom flue is taken away into the dust stratification in tower bottom flue by the air-flow in tower bottom flue, and realization recycles.The present invention
The ash exhauster of offer effectively avoids being exhausted directly to cause the poor environment of fugitive dust to influence on ground for dust stratification, avoids artificial
The dust stratification on ground is cleared up, labor intensity is reduced；Dust stratification is sucked into tower bottom flue using the negative-pressure sucking in tower bottom flue,
It flows away with flue gas, realizes that free of contamination dust stratification recycles, efficiently solve environmental issue.
The present invention also provides a kind of absorption towers CFB, have such as above-mentioned any ash exhauster.Due to above-mentioned ash exhauster
It has above-mentioned technique effect, the absorption tower CFB with above-mentioned ash exhauster should also have similarly technical effect, not another herein
One tired states and within protection scope.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the ash exhauster on the absorption tower CFB provided in an embodiment of the present invention.
Specific embodiment
The invention discloses a kind of ash exhausters, to solve environmental issue, reduce poor environment influence and hand labor is strong
Degree.The present invention also provides a kind of absorption towers CFB with above-mentioned ash exhauster.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, the embodiment of the invention provides a kind of ash exhauster, for the tower bottom cigarette on the absorption tower CFB to be arranged in
8 lower section of road, including ash discharge component, recirculation assembly and dust collecting box 3.One end of ash discharge component is for the bottom with tower bottom flue 8
The ash inlet of connection, the other end of ash discharge component are ash hole；One end of recirculation assembly is for the non-bottom with tower bottom flue 8
Grey mouth is returned in connection, and the other end of recirculation assembly is dust-absorbing mouth；Dust collecting box 3 is connected to ash hole and dust-absorbing mouth.
Ash exhauster provided in an embodiment of the present invention, the ash inlet of ash discharge component are used to be connected to the bottom of tower bottom flue 8,
In order to guide the dust stratification of tower bottom flue 8 into ash discharge component, and it is discharged into dust collecting box 3 by the ash hole of ash discharge component；It follows
Ring assemblies are connected to non-bottom and the dust collecting box 3 of tower bottom flue 8, by the suction function in tower bottom flue 8, so that in dust collecting box 3
Dust stratification enter recirculation assembly by the dust-absorbing mouth of recirculation assembly, and the non-of tower bottom flue 8 is entered by the grey mouth that returns of recirculation assembly
Bottom is taken away into the dust stratification in tower bottom flue 8 by the air-flow in tower bottom flue 8, and realization recycles.The embodiment of the present invention mentions
The ash exhauster of confession effectively avoids being exhausted directly to cause the poor environment of fugitive dust to influence on ground for dust stratification, avoids artificial clear
The dust stratification on ground is managed, labor intensity is reduced；Dust stratification is sucked into tower bottom flue 8 using the negative-pressure sucking in tower bottom flue 8,
It flows away with flue gas, realizes that free of contamination dust stratification recycles, efficiently solve environmental issue.
It is understood that the non-bottom of tower bottom flue 8 can be the middle part or top of tower bottom flue 8, it is only necessary to ensure this
Place is capable of forming negative-pressure sucking, and ensures that flue gas flows through and with dust stratification.
Wherein, dust collecting box 3 can be further arranged to seal case, only be connected to ash hole and dust-absorbing mouth, further subtract
The excessive situation of dust stratification is lacked.
In the present embodiment, ash discharge component includes ash ejector 1 and ash releasing tube 2；The import of ash ejector 1 is ash inlet, ash releasing tube 2
One end and ash ejector 1 outlet, the other end of ash releasing tube 2 is ash hole.By the way that ash ejector 1 is arranged, effectively increase
Ash discharge efficiency.
It is of course also possible to which ash releasing tube 2 is only arranged.
In order to improve deashing the degree of automation, there is inclined surface in dust collecting box 3；Ash hole is located at the high-end of inclined surface, inhales
Grey mouth is located at the low side of inclined surface.Dust stratification into dust collecting box 3 is moved along inclined surface under the effect of gravity so that by ash hole into
The dust stratification for entering dust collecting box 3 reaches at dust-absorbing mouth automatically, facilitates suction ash manipulation.
The push plate for pushing dust stratification or other devices can also be set in dust collecting box 3.
In the present embodiment, recirculation assembly includes circulating line and deashing valve 6.One end of circulating line is dust-absorbing mouth, is followed
The other end in endless tube road is back grey mouth；Deashing valve 6 is set on circulating line, is unlatched and closed for control loop pipeline.
By above-mentioned setting, deashing valve 6 can be opened when needing deashing, deashing valve 6 is then closed when not needing deashing.
In order to improve circulation dynamics, circulating line includes oviduct 4 and connecting tube 5；The big end of oviduct 4 is dust-absorbing mouth,
The small end of oviduct 4 is connect with connecting tube 5, and connecting tube 5 is back grey mouth far from one end of oviduct 4.It, can by above-mentioned setting
Effectively the dust stratification in dust collecting box 3 is attracted and is guided into tower bottom flue 8.
In the present embodiment, connecting tube 5 is hose.By setting hose for connecting tube 5, facilitate ash exhauster relative to
The setting of tower bottom flue 8.Hose can also be set by ash releasing tube 2.
Oviduct 4 is connected with dust collecting box 3 by flange.Pass through flanged joint, it is ensured that oviduct 4 and dust collecting box 3
Connective stability.Ash releasing tube 2 can also be connected with dust collecting box 3 by flange.Wherein, there are two open for setting on dust collecting box 3
Hole, the preceding aperture respectively being connect with ash releasing tube 2 and the rear aperture being connect with oviduct 4.
It further include for the quick of the non-bottom of tower bottom flue 8 to be arranged in ash exhauster provided in an embodiment of the present invention
Connector 7；The grey mouth that returns of circulating line is connect with quick coupling 7, and quick coupling 7 can be sealed when not connecting with circulating line and be connect
At head.By above-mentioned setting, switching of the absorption tower CFB between ash discharge and not ash discharge state may be implemented, further improve
Degree easy to use.
For the absorption of cheap dust stratification, dust collecting box 3 has and the corresponding dust stratification region of ash hole and suction corresponding with dust-absorbing mouth
Go back to region；Dust stratification region and suck back between region have certain distance.Wherein, dust stratification region and suck back the distance between region can
No longer to do concrete restriction herein according to depending on actual demand.
It further include such as above-mentioned any row the embodiment of the invention also provides a kind of absorption tower CFB, including tower bottom flue 8
Apparatus for ash.Since above-mentioned ash exhauster has above-mentioned technique effect, the absorption tower CFB with above-mentioned ash exhauster should also have together
Sample ground technical effect, not repeated them here and within protection scope.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of ash exhauster, for being arranged in below the tower bottom flue (8) on the absorption tower CFB characterized by comprising
Ash discharge component, one end of the ash discharge component is the ash inlet for being connected to the bottom of the tower bottom flue (8), described
The other end of ash discharge component is ash hole；
Recirculation assembly, one end of the recirculation assembly are to go back to grey mouth, institute for what is be connected to the non-bottom of the tower bottom flue (8)
The other end for stating recirculation assembly is dust-absorbing mouth；
Dust collecting box (3), the dust collecting box (3) are connected to the ash hole and the dust-absorbing mouth.
2. ash exhauster according to claim 1, which is characterized in that the ash discharge component includes ash ejector (1) and ash discharge
It manages (2)；
The import of the ash ejector (1) is the ash inlet, the outlet of one end and the ash ejector (1) of the ash releasing tube (2)
Connection, the other end of the ash releasing tube (2) are the ash hole.
3. ash exhauster according to claim 1, which is characterized in that have inclined surface in the dust collecting box (3)；
The ash hole is located at the high-end of the inclined surface, and the dust-absorbing mouth is located at the low side of the inclined surface.
4. ash exhauster according to claim 1, which is characterized in that the recirculation assembly includes:
Circulating line, one end of the circulating line are the dust-absorbing mouth, and the other end of the circulating line is described time grey mouth；
It is set on the circulating line, the deashing valve (6) unlatched and closed for controlling the circulating line.
5. ash exhauster according to claim 4, which is characterized in that the circulating line includes oviduct (4) and connection
It manages (5)；
The big end of the oviduct (4) is the dust-absorbing mouth, and the small end of the oviduct (4) is connect with the connecting tube (5), institute
Stating the one end of connecting tube (5) far from the oviduct (4) is described time grey mouth.
6. ash exhauster according to claim 5, which is characterized in that the connecting tube (5) is hose.
7. ash exhauster according to claim 4, which is characterized in that the oviduct (4) passes through with the dust collecting box (3)
Flange is connected.
8. ash exhauster according to claim 4, which is characterized in that further include for being arranged in the tower bottom flue (8)
Non- bottom quick coupling (7)；
The grey mouth of described time of the circulating line is connect with the quick coupling (7), and the quick coupling (7) is not being followed with described
At can be with seal nipple when the connection of endless tube road.
9. ash exhauster according to claim 1-8, which is characterized in that the dust collecting box (3) have with it is described
The corresponding dust stratification region of ash hole and corresponding with the dust-absorbing mouth suck back region；
The dust stratification region and described suck back have certain distance between region.
10. a kind of absorption tower CFB, including tower bottom flue (8), which is characterized in that further include as described in claim any one of 1-9
Ash exhauster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562021.7A CN109395542B (en) | 2018-12-20 | 2018-12-20 | CFB absorption tower and ash discharging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562021.7A CN109395542B (en) | 2018-12-20 | 2018-12-20 | CFB absorption tower and ash discharging device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109395542A true CN109395542A (en) | 2019-03-01 |
| CN109395542B CN109395542B (en) | 2024-08-06 |
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ID=65461053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562021.7A Active CN109395542B (en) | 2018-12-20 | 2018-12-20 | CFB absorption tower and ash discharging device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109395542B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680185A (en) * | 2020-05-18 | 2021-11-23 | 中冶宝钢技术服务有限公司 | A kind of ash dredging circulation device for semi-dry desulfurization absorption tower |
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| JPH06307609A (en) * | 1993-04-26 | 1994-11-01 | Mitsubishi Heavy Ind Ltd | Circulating fluidized layer combustion furnace |
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| CN204574066U (en) * | 2014-12-25 | 2015-08-19 | 大唐科技产业集团有限公司 | The device of ash discharge bottom a kind of boiler back end ductwork and steam generator system |
| CN205341423U (en) * | 2016-01-18 | 2016-06-29 | 安徽盛运环保工程有限公司 | Automatic cleaning device at bottom of circulating fluidized bed flue gas desulfurization reaction tata |
| CN206253000U (en) * | 2016-10-28 | 2017-06-16 | 无锡市华星电力环保修造有限公司 | A kind of CFB absorption towers integration desulfurization denitration smoke processing system |
| CN207430852U (en) * | 2017-10-11 | 2018-06-01 | 中冶节能环保有限责任公司 | A kind of reaction tower bottom of towe straight section dust stratification pulse jet automatic block clearing device |
| CN209630923U (en) * | 2018-12-20 | 2019-11-15 | 福建龙净脱硫脱硝工程有限公司 | The absorption tower CFB and its ash exhauster |
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2018
- 2018-12-20 CN CN201811562021.7A patent/CN109395542B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06307609A (en) * | 1993-04-26 | 1994-11-01 | Mitsubishi Heavy Ind Ltd | Circulating fluidized layer combustion furnace |
| CN204574066U (en) * | 2014-12-25 | 2015-08-19 | 大唐科技产业集团有限公司 | The device of ash discharge bottom a kind of boiler back end ductwork and steam generator system |
| CN204513425U (en) * | 2015-03-10 | 2015-07-29 | 石福军 | A kind of negative pressure is from drawing-in type boiler flue dust stratification removal system |
| CN205341423U (en) * | 2016-01-18 | 2016-06-29 | 安徽盛运环保工程有限公司 | Automatic cleaning device at bottom of circulating fluidized bed flue gas desulfurization reaction tata |
| CN206253000U (en) * | 2016-10-28 | 2017-06-16 | 无锡市华星电力环保修造有限公司 | A kind of CFB absorption towers integration desulfurization denitration smoke processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680185A (en) * | 2020-05-18 | 2021-11-23 | 中冶宝钢技术服务有限公司 | A kind of ash dredging circulation device for semi-dry desulfurization absorption tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109395542B (en) | 2024-08-06 |
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